public object InsertChild(string entityName, string id, string childName, object entity)
{
// TODO: refactor
var entityType = _entityResolver.Resolve(entityName);
var repo = _entityResolver.GetRepository(entityType);
var childType = _entityResolver.ResolveChild(entityType, childName);
var json = JsonConvert.SerializeObject(entity);
var childEntity = JsonConvert.DeserializeObject(json, childType);
childType.GetProperty("Id").SetValue(childEntity, ObjectId.GenerateNewId().ToString());
var item = repo.Get(id);
var childFieldName = $"{childName[0].ToString().ToUpperInvariant()}{childName.Substring(1).ToLowerInvariant()}";
var childField = entityType.GetProperty(childFieldName);
var children = childField.GetValue(item);
children.GetType().GetMethod("Add").Invoke(children, new[] { childEntity });
repo.Update(id, item);
return(childEntity);
}
